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1 | /* FCE Ultra - NES/Famicom Emulator |
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2 | * |
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3 | * Copyright notice for this file: |
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4 | * Copyright (C) 2003 Xodnizel |
5 | * |
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6 | * This program is free software; you can redistribute it and/or modify |
7 | * it under the terms of the GNU General Public License as published by |
8 | * the Free Software Foundation; either version 2 of the License, or |
9 | * (at your option) any later version. |
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10 | * |
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11 | * This program is distributed in the hope that it will be useful, |
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
14 | * GNU General Public License for more details. |
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15 | * |
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16 | * You should have received a copy of the GNU General Public License |
17 | * along with this program; if not, write to the Free Software |
18 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
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19 | */ |
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20 | |
21 | #include "mapinc.h" |
22 | |
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23 | static DECLFW(Mapper231_write) |
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24 | { |
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25 | if(A&0x20) |
26 | ROM_BANK32((A>>1)&0xF); |
27 | else |
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28 | { |
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29 | ROM_BANK16(0x8000,(A&0x1E)); |
30 | ROM_BANK16(0xc000,(A&0x1E)); |
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31 | } |
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32 | MIRROR_SET((A>>7)&1); |
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33 | } |
34 | |
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35 | void Mapper231_init(void) |
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36 | { |
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37 | ROM_BANK16(0x8000,0); |
38 | ROM_BANK16(0xc000,0); |
39 | SetWriteHandler(0x8000,0xffff,Mapper231_write); |
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40 | } |
41 | |